This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Zi zhi tong jian by sishmaguan. watermark zh en Original draft of the Zizhi Tongjian by Sima Guang of the Northern Song Dynasty located in the National Library of China nlc gov cn htm Sima Guang PDold song Dynasty Chinese calligraphy of China Zizhi Tongjian
Page 2023 Free-images.com. All images are Public Domain